v1.5.3

Initialization of GitHub authentication. See #256.

Added

• Added postcss and autoprefixer to dependencies
• Added autoprefixing to the main.min.css build
• Added classes for 1/2, 1/3, 2/3, 1/4 and 3/4 sized grid rows
• Separated scripts into sass:watch and sass:build instead of doing both in one command

Changed

• Applied Prettier across the project
• Move template out of template folder as it was the only thing there
• Updated README instructions
• Updated docs to include grid items